Table 3.
the validity of ULNT1 and ULNT2A for diagnosing CTS
| Study, year | Test | Sample size | Criteria | Sensitivity | Specificity | Positive LR | Negative LR |
|---|---|---|---|---|---|---|---|
| Wainner RS et al. 2005 | ULNT1 | n=82 | Wainner´s criteria | 75% (0.58-0.92) | 13% (0.04-0.22) | 0.86 (0.67-1.1) | 1.9 (0.72-5.1) |
| Vanti C et al. 2011 | ULNT1 | n=47 | Wainner´s criteria | 91.67% (0.741-0.977) | 15% (0.052-0.360) | 1.0784 (0.377-3.083) | 0.5556 (0.194-1.588) |
| Vanti C et al. 2011 | ULNT1 | n=47 | Reproduction of symptoms 1st, 2nd or 3rd digit | 54.17% (0.351-0.721) | 70% (0.481-0.854) | 1.8056 (1.132-2.879) | 0.6548 (0.411-1.044) |
| Vanti, C et al. 2012 | ULNT1 | n=47 | Reproduction of symptoms 1st, 2nd or 3rd digit | 40% (0.256-0.564) | 79.59% (0.664-0.885) | 1.96 (1.275-3.012) | 0.7538 (0.490-1.159) |
| Bueno-Gracia E et al. 2016 | ULNT1 | n=58 | Reproduction of patient symptoms during the test and change with SD | 58% (0.45-0.71) | 84% (0.72-0.96) | 3.67 (1.70-7.89) | 0.5 (0.36-0.70) |
| Bueno-Gracia E et al. 2016 | ULNT1 | n=58 | symptoms appear at the wrist or the first three digits of the affected hand and change during SD | 74% (0.61-0.83) | 50% (0.35-0.65) | 1.47 (1.03-2.10) | 0.53 (0.31-0.90) |
| Trillos, MC et al.2018 | ULNT1 | n=120 | Wainner´s criteria | 93% (88.21-96.79) | 6.67% (0.0-33.59) | 1 (0.90-1.10) | 1.05 (0.25-4.89) |
| Our study | ULNT2A | n=94 | Reproduction, at least partially, of the patient´s symptoms and change with SD | 73.40% (0.62-0.84) | 47.00% (0.17-0.78) | 1.38 (1.12-1.65) | 0.57 (0.21-1.15) |
ULNT1: Upper Limb Neurodynamic Test 1 ; ULNT2A: Upper Limb Neurodynamic Test 2A; CTS: Carpal Tunnel Syndrome; SD: Structural Differentiation; (95% confidence interval)